Basics of Information Security Systems and Networks, edited by B. T. Eremenko is a unique work that immerses the reader in the world of information security and network security. With the rapid development of technology and an increase in the number of cyber threats, this book becomes a desktop guide for anyone who wants to understand the basics of information security, whether it is students, IT specialists or just interested in this topic. Author's team, gathered under the leadership of B. T. Eremenko, includes experts with many years of experience in the field of information technology and security . Their joint efforts have led to the creation of a work that not only highlights theoretical aspects, but also offers practical recommendations for protecting systems and networks from various threats. The reader will be able to learn how modern security systems function, what types of attacks exist and how to counter them, as well as what tools and methods are used to protect information. The book will be especially useful for students and graduate students of technical specialties, as well as practicing specialists in the field of information technology, who seek to deepen their knowledge in the field of security .. It can also be of interest to managers and executives responsible for data protection in their organizations, as well as to anyone who wants to be aware of current trends in cybersecurity. The topics raised in the book cover a wide range of topics, from the basics of cryptography and network protocols to vulnerability analysis techniques and the development of secure applications. The reader will get acquainted with such concepts as the protection of confidentiality, integrity and accessibility of information, as well as with the basics of legislation in the field of information security .. Particular attention is paid to practical aspects, which allows readers not only to theoretically understand the importance of security, but also to apply the knowledge gained in practice. The writing style of the book is both accessible and clear.. The authors strive to convey complex concepts in a simple and understandable language, which makes the material available to a wide audience. They use examples from real practice, which helps the reader to better assimilate information and see how theoretical knowledge is applied in life. This makes the book not only a textbook, but also a practical guide that can be used in everyday work. If you are looking for literature that will help you understand the basics of information security, “Basics of information security systems and networks” is exactly what you need. This book will be a reliable assistant for anyone who wants to protect their data and systems from cyber threats. It may also be of interest to those studying related topics, such as risk management, information technology, and cyber threats. Do not miss the opportunity to immerse yourself in the world of information security with this unique edition Book B. T. Eremenko and his colleagues are not just a set of theoretical knowledge, but a practical guide that will help you become more aware and prepared for the challenges of the modern digital world.